This is a remanufactured cartridge for Canon CLI-8 Photo Cyan / Light Cyan. This cartridge has been remanufactured with inks that match the original in quality and page yield, and it also comes with a resetted chip so that your printer will recognize the cartridge as if it is a brand new one - thereby not generating and errors. Use this cartridge exactly the same way you would the original, and save significantly compared to the original cartridge price.